Can you swim at Alki Beach Seattle in August? — 28.0°C water
Yes — ideal swimming weather
Average sea · August
28.0°C
Live water now
…
Recommended wetsuit
No wetsuit
tropical
Yes. Alki Beach Seattle averages 28.0°C in August — bath-warm by European standards and comfortable for all-day swimming, snorkelling and families.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Alki Beach Seattle live page for full conditions.
Best months to swim
May · June · July · August · September · October · November
Frequently asked questions
What is the average sea temperature at Alki Beach Seattle in August?
Alki Beach Seattle averages 28.0°C in August, based on long-run climatology for the Puget Sound.
Is the sea warm enough to swim at Alki Beach Seattle in August?
Yes, most swimmers find 28.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Alki Beach Seattle in August?